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General : Fixed copying bug when presentation had multiple slides #786

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merged 2 commits into from
Dec 13, 2023
Merged

General : Fixed copying bug when presentation had multiple slides #786

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f3cb8d1
fix: presentation with multiple slides should be copyable
dees040 Dec 12, 2023
50b908c
docs: updated changelog for 1.1.0
dees040 Dec 13, 2023
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19 changes: 17 additions & 2 deletions src/PhpPresentation/PhpPresentation.php
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Original file line number Diff line number Diff line change
Expand Up @@ -312,11 +312,26 @@ public function copy(): self
$copied = clone $this;

$slideCount = count($this->slideCollection);

// Because the rebindParent() method on AbstractSlide removes the slide
// from the parent (current $this which we're cloning) presentation, we
// save the collection. This way, after the copying has finished, we can
// return the slides to the original presentation.
$oldSlideCollection = $this->slideCollection;
$newSlideCollection = [];

for ($i = 0; $i < $slideCount; ++$i) {
$this->slideCollection[$i] = $this->slideCollection[$i]->copy();
$this->slideCollection[$i]->rebindParent($this);
$newSlideCollection[$i] = $oldSlideCollection[$i]->copy();
$newSlideCollection[$i]->rebindParent($copied);
}

// Give the copied presentation a copied slide collection which the
// copied slides have been rebind to the copied presentation.
$copied->slideCollection = $newSlideCollection;

// Return the original slides to the original presentation.
$this->slideCollection = $oldSlideCollection;

return $copied;
}

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7 changes: 6 additions & 1 deletion tests/PhpPresentation/Tests/PhpPresentationTest.php
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Expand Up @@ -86,7 +86,12 @@ public function testAddExternalSlide(): void
public function testCopy(): void
{
$object = new PhpPresentation();
self::assertInstanceOf('PhpOffice\\PhpPresentation\\PhpPresentation', $object->copy());
$object->createSlide();

$copy = $object->copy();

self::assertInstanceOf('PhpOffice\\PhpPresentation\\PhpPresentation', $copy);
self::assertEquals(2, $copy->getSlideCount());
}

/**
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